We are back with another exciting edition of Rahasya. In today's episode, we will take you to Bhimbetka rock shelters in Madhya Pradesh's Raisen district. The cave which is a UNESCO world heritage site has seven hills and several paintings. Interestingly, the oldest paintings are said to be 30,000 years old. <br />It is also said that the cave provides evidence of human cultural evolution. Watch News Nation's detailed report on the mysterious cave shelters.
